A sampling distribution is the probability distribution of which of the following?
Correct answer A. A sample statistic
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Sampling MCQs
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Non-random sampling is also known as?
Correct answer D. Non-probability sampling
When buying fruit, which type of sampling do we normally use?
Correct answer B. Judgement
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A complete list of sampling ____ is called a sampling frame. Which word fills the blank?
Correct answer B. Units
In sampling with replacement, how many times can a sampling unit be selected?
Correct answer C. More than once
How can sampling errors be reduced?
Correct answer B. Increasing the sample size
From a population of 4 members, samples of size 2 are drawn with replacement. How many different samples are possible?
Correct answer A. 16
What is the process of dividing a heterogeneous population into fairly homogeneous subgroups called?
Correct answer C. Stratification
Convenience sampling is an example of which type of sampling?
Correct answer A. Non-probability sampling
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Whatever the distribution of the population, the sampling distribution of the sample mean is?
Correct answer C. Always normal for large sample sizes
What is the standard deviation of the sampling distribution of a statistic called?
Correct answer A. Standard error of the statistic
A sample of 92 observations is drawn from an infinite population. The sampling distribution of the sample mean x̄ is approximately?
Correct answer A. Normal because of the central limit theorem
Cluster sampling is especially useful when the sampling units are?
Correct answer A. Far apart
Which sampling method is preferred when the population is heterogeneous?
Correct answer A. Stratified sampling
In which method of data collection can sampling error not occur?
Correct answer C. Census
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What is the collection of data from every member of a population called?
Correct answer D. Both A and B
In stratified sampling, deciding how large a sample to take from each stratum is known as the problem of?
Correct answer B. Allocation